. >>> we have some jarring video from philadelphia where police made an arrest in a brutal subway attack. a man was caught throwing a woman onto the tracks. we've got to tell you this video is disturbing. it happened in mid afternoon. the man approaches the 23-year-old woman, he punches her, and then he's going to drag her and throw her onto the tracks. thankfully, she was not seriously injured, and the train was not coming. police didn't make the video public at first, fearing it might jeopardize leads in the case. >>> the city of chicago is considering a crackdown on the sale of popular drinks such as red bull and five hour energy. retailers say that could be a fine of up to $500 and cause them to lose their license. >> there was another chair that proposed that minors under the age of 21 be prohibited. he said he only wanted to raise awareness of the side effects. according to them, they're classifying an energy drink that contains caffeine exceedsing 180 milligrams. >> still, can't we make up our own mind about caffeine drinks? chicago expert. our paula faris. >> yes. i love sweet ho